+ /**
+ * Get attributes of the object from server. (top->bottom)
+ */
+ int (*coo_obd_info_get)(const struct lu_env *env, struct cl_object *obj,
+ struct obd_info *oinfo,
+ struct ptlrpc_request_set *set);
+ /**
+ * Get data version of the object. (top->bottom)
+ */
+ int (*coo_data_version)(const struct lu_env *env, struct cl_object *obj,
+ __u64 *version, int flags);